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Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Australia Current Weather Desk. Data from the Bureau of Meteorology (BOM) and other national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
If you’re planning a day on the water or a walk along the Serpentine River, check the live forecast above first — South Yunderup’s weather shifts quickly with the estuary breeze, often cooler than inland spots like Mandurah.
What makes South Yunderup weather different from Mandurah?
Sitting along the lower reaches of the Serpentine and Murray Rivers, South Yunderup feels the full force of tidal influences and coastal sea breezes. Summer afternoons here typically sit a degree or two below Mandurah’s CBD, but humidity can linger near the water. In winter, the estuary can trap morning fog, so the Perth Weather forecast is a useful guide, but not always spot-on for the riverfront.
Should I check tides or radar for boating?
Yes — the Mandurah bar and channel are affected by local tides. For the most accurate conditions, pair the live forecast above with the south yunderup weather radar to spot approaching showers, and check south yunderup tides before launching. The Bureau of Meteorology provides the official south yunderup weather bom data, but for a deeper look ahead, the south yunderup weather 14 day forecast on Elders or Weatherzone helps with longer planning.
Is South Yunderup weather the same as Mandurah weather?
No — Mandurah is closer to the ocean, so its data can run slightly cooler in summer and warmer overnight. South Yunderup, sitting inland along the rivers, often has lighter winds but more humidity in the morning.
When is the best time of day to fish in South Yunderup?
Early morning from 5–8 am or late afternoon after 4 pm, when the estuary breeze drops and the heat eases. Check the south yunderup tides to time the run-in for better catches.
How reliable is the 14-day forecast for South Yunderup?
Reasonably reliable for trends — like a warm spell or cold front — but day-to-day details shift beyond seven days. The live forecast above and BOM’s south yunderup weather bom page are best for short-range accuracy.